Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. ISO 3166-2:JO is the entry for Jordan in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. Currently for Jordan, ISO 3166-2 codes are defined for 12 governorates. Each code consists of two parts, separated by a hyphen. The first part is JO, the ISO 3166-1 alpha-2 code of Jordan.